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| Number | Title | Issue Date |
| 8179756 | Optical disc drive apparatus, control method thereof and optical disc drive system An optical disc drive apparatus includes: a plurality of optical heads reading out data recorded on an optical disc; and a control section respectively controlling a readout operation and a seek operation for the data of the optical heads. The control section includ... | 05/15/2012 |
| 8004939 | Device and method for connecting interrupted recording This invention provides an optical storage device for recording a plurality of data onto an optical storage medium. If recording interrupted, the optical storage device generates a data-interrupted address, and re-connects the interrupted data with a data re-connect... | 08/23/2011 |
| 7986597 | PLL control device and reproduction apparatus with linking portion control A recording medium comprising a recording area, the recording area includes a first area and a second area, the first area includes a frame area, the frame area includes an area in which a second synchronization code sequence and at least a portion of data are to be... | 07/26/2011 |
| 7978572 | Device and method for reproducing digital signal and device and method for recording digital signal A technique capable of realizing a power saving in a device for reproducing/recording digital signals by properly controlling a frequency of a clock. The device for reproducing/recording digital signals (device for reproducing an optical disk) includes: a difference... | 07/12/2011 |
| 7813239 | Optical information recording method, optical information recording device and optical information recording medium The present invention provides an optical information recording apparatus and method capable of effectively determining appropriate recording parameters in a short time with favorable efficiency, when recording information onto an optical disk having different infor... | 10/12/2010 |
| 7724618 | Recording apparatus, method for controlling the apparatus, and storage medium storing control program A recording apparatus to record data on a recording medium including a plurality of recording layers is provided. The recording apparatus includes a recording circuit adapted to record data on a recording layer selected from among the plurality of recording layers i... | 05/25/2010 |
| 7599263 | Reproducing apparatus, reproducing method, and reproducing program A reproducing apparatus includes a storage unit having a plurality of content data stored therein, a reproducing unit reading out the content data stored in the storage unit and reproducing the read content data, and a driving unit driving a predetermined driven uni... | 10/06/2009 |
| 7577065 | Information recording device and method, and computer program An information recording apparatus is provided with: a recording device for recording information onto an information recording medium; a detrack detecting device for detecting occurrence of detrack during the recording of the information; and a controlling device f... | 08/18/2009 |
| 7433282 | Recording method and drive for optical storage media A recording method and drive for optical storage media. The method inserts or replaces a special pattern in a recording EFM signal before the recording process is interrupted. Therefore, the special pattern is recorded either before or on the interrupted position. T... | 10/07/2008 |
| 7428198 | Optical disc device Provided is an optical disc device in which adjustment precision of recording laser power is improved without complication of a processing sequence during recording operation. In response to a recording start instruction, OPC is executed using an inner disc drive zo... | 09/23/2008 |
| 7379401 | Device and method for connecting interrupted recording This invention provides an optical storage device for recording a plurality of data onto an optical storage medium. If recording interrupted, the optical storage device generates a data-interrupted address, and re-connects the interrupted data with a data re-connect... | 05/27/2008 |
| 7372795 | Recording apparatus and method for generating an index file for a content file Before each content file is recorded first to a recording medium, a flag indicating a recording state of a content file is generated corresponding to a physical area where an index file can be continuously recorded. An index file is generated which associates attrib... | 05/13/2008 |
| 7356142 | Secure compact disk and player A method for recording data on an optical medium is disclosed. In one embodiment, the method includes receiving a first plurality of frames of data at a Cross Interleave Reed-Solomon Code (CIRC) encoder, encoding the first plurality of frames of data by the CIRC enc... | 04/08/2008 |
| 7353300 | Apparatus to improve the firmware efficiency for a multiframe serial interface A serial network controller contains control logic to analyze and determine a duration of a proper frame time slot. A number of data fields in a transmission is ascertained from an identifier field supplied in a header field. The number of data fields plus a margin ... | 04/01/2008 |
| 7350118 | Method and apparatus for recording information in concatenated manner A method of recording data as presence/absence of marks on an information recording medium includes a step of obtaining data pieces, each of which has size of one block and is made by adding error-correction-purpose data to information data, a step of attaching to e... | 03/25/2008 |
| 7339871 | Method for accurate positioning of marks and spaces on an optical disc An optical disc has spatial features (notches, bumps, etc.) that intentionally distort the analog Read Data signal. For a mark or space that is centered on a spatial feature, the distortion does not affect the resulting binary Read Data signal. If an edge of a mark ... | 03/04/2008 |
| 7339862 | Optical disc driving system and method for determining rotation speed of optical disc A novel optical disc driving system and method for determining the rotation speed of an optical disc are provided, which allow to determine the highest rotation speed optimal for reading out audio and video data in the optical disc in accordance with the environment... | 03/04/2008 |
| 7339861 | PLL clock generator, optical disc drive and method for controlling PLL clock generator A PLL clock generator generates an output signal with a frequency N times (where N≧1) as high as that of an input signal. The clock generator includes: a frequency divider for dividing the frequency of a clock signal by N so as to output a frequency-divided clock ... | 03/04/2008 |
| 7327651 | Optical disc device Provided is an optical disc device in which adjustment precision of recording laser power is improved without complication of a processing sequence during recording operation. In response to a recording start instruction, OPC is executed using an inner disc drive zo... | 02/05/2008 |
| 7319645 | Recording apparatus and recording method for recording data to a rewritable recording medium, and rewritable recording medium A recording apparatus for recording modulated data on a rewritable recording medium includes a data modulation section for modulating data in accordance with a prescribed modulation rule; a parameter value changing section for changing at least one parameter value o... | 01/15/2008 |
| 7317674 | Optical pick-up units and laser drivers with increased functionality Optical pick-up units and laser drivers are disclosed, which can be used in various types of information recording/reproducing apparatuses, such as, but not limited to, DVD and CD drives, DVD camcorders, and DVD video recorders. A laser driver integrated circuit (LD... | 01/08/2008 |
| RE39953 | Recording apparatus and method, and reproducing apparatus and method A reproducing apparatus for reading, or a recording apparatus for writing, data from or to a disc having pre-formed thereon a pair of concentrical or spiral tracks adjacent to each other and to which a common address is given, is adapted to control the time at which... | 12/25/2007 |
| 7310292 | Optical disk reproducing device that demodulates digital data by switching between a channel bit frequency and a frequency that is half of the channel bit frequency A data demodulation process rate is varied according to a reproduction state, thereby reducing power consumption while maintaining a reading performance in a favorable state. A channel rate process data demodulation device performs a data demodulation process by emp... | 12/18/2007 |
| 7289287 | Apparatus for recording or/and reproducing information and method for reducing power consumption thereof In an apparatus for recording and/or reproducing information, which reproduces servo information being recorded on a medium and conducts a tracking operation based on the servo information, a power save part conducts a power save operation by reducing an operation c... | 10/30/2007 |
| 7269112 | Information recording apparatus An information recording apparatus such as an optical disc that can avoid an unrecordable condition between a power-on operation and an available state for recording thereby to solve a problem that an image taking chance is missed in a recording step, wherein its co... | 09/11/2007 |
| 7269114 | Method and apparatus for controlling recording to optical disc to cope with shock errors A method of controlling recording of data with respect to each track of a once-writable optical disc, includes: detecting whether a shock error occurs during recording of track information; if the shock error is detected, stopping the recording of the track informat... | 09/11/2007 |
| 7266751 | Data recording method and data recording apparatus In a data recording method and a data recording apparatus relating to the present invention, ECC blocks using 36 product codes are recorded on 12 tracks through scanning operations performed three times. First of all, first sync-blocks each constituted by adding a C... | 09/04/2007 |
| 7266290 | Real-time rich media recording system and method A real-time rich media recording system. The system includes a capture module, a recording module and a random access module. The recording module real-time records a rich media source captured by the capture module as digital data. The recording module constructs a... | 09/04/2007 |
| 7260582 | Information recording apparatus, method, information reproduction apparatus, and method An information recording or reproduction apparatus and method in which a transport packet for padding is not inserted and a limited recording space is used effectively when performing data editing to delete a mid-stream of the moving picture file consisting of an MP... | 08/21/2007 |
| 7254100 | Optical disk reproducing device selectively using a channel bit frequency or a frequency that is half of the channel bit frequency A data demodulation process rate is varied according to a reproduction state, thereby reducing power consumption while maintaining a reading performance in a favorable state. A channel rate process data demodulation device performs a data demodulation process by emp... | 08/07/2007 |
| 7248550 | Writing method and disk recording apparatus Disclosed are a writing method and a disk recording apparatus for maintaining reproduction reliability relative to a rewritable disk recording medium of a zero link type. In one embodiment, a disk recording apparatus for a rewritable optical disk comprises a first t... | 07/24/2007 |
| 7248549 | System for locking a clock onto the frequency of data recorded on a storage medium A circuit locks onto a frequency of data encoded on a medium, taking frequency variations in the physical travel of the medium into account. The circuit includes a disk locked clock (DLC) circuit having a synthesizer operating under digital control based on a feedba... | 07/24/2007 |
| 7245446 | Race avoidance in disk head read circuit A read circuit for providing multi-bit disk data to a disk controller in correspondence to analog data from a disk head, includes a low frequency clock generator whose phase is adjustable in response to a detection of the synchronization marker in the analog disk da... | 07/17/2007 |
| 7245568 | Disk recording and reproducing device A disc recording and reproducing device disclosed herein comprises: a resuming section which resumes writing of record data; a first reproduction synchronization signal output section which reproduces the record data recorded on a recorded data region, sequentially ... | 07/17/2007 |
| 7236437 | Shock detector for optical disc recorders and shock-proof recording method using shock signal A shock detector for an optical disc recorder and method for controlling the recording using a shock signal. The shock detector includes a first detecting unit for detecting the amplitude of a first kind of reference signal passing through a band-pass filter and out... | 06/26/2007 |
| 7234102 | Data recording method for optical disk drive A data recording method for an optical disk drive is implemented by the following steps. First, one or more data blocks are encoded and recorded sequentially, and it detects if a buffer under run occurs. If a buffer under run occurs, the recording does not stop imme... | 06/19/2007 |
| 7233552 | Optical disk device capable of recording information data according to ZCLV format An optical disk device for recording data in an optical disk under ZCLV control is provided. The optical disk device divides the optical disk into a plurality of zones, and drives said optical disk at a linear velocity fixed in each zone but varied among the zones. ... | 06/19/2007 |
| 7230891 | Optical disk device recording data on a recordable or rewritable optical disk by setting a recording velocity and a recording power for each of zones on an optical disk An optical disk device record data on a recordable or rewritable optical disk. After a pause and a restart in the constant angular velocity (CAV) method occurs predetermined times due to a cause of a recording error such as a buffer underrun, the data-recording by t... | 06/12/2007 |
| 7218251 | Signal reproducing method and device, signal recording method and device, and code sequence generating method and device It is intended to remove a risk of illegal high quality restoration while enabling trial viewing of contents such as music, to make it possible to reproduce contents with high quality by acquiring a relatively small amount of data, and to make it possible to impleme... | 05/15/2007 |
| 7215614 | Control method of recording speed in optical disc drives The present invention discloses a control method of recording speed in an optical disc drive. Firstly it is determined whether the recording speed is higher than a data transfer rate from the host to the data buffer in the optical disc drive. If so, the recording sp... | 05/08/2007 |
